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mikeckennedy avatar mikeckennedy commented on September 23, 2024 2

Hi, the reason we don't cover this deeply in the course is we are just reusing that python-switch library from github. So we didn't discuss the internals.

But the reason for __thing and why this is better than a convention of just _thing is that the runtime makes it truly hidden, not just devs thinking to themselves it should be hidden. For example:

print(switch.__no_result)

will result in the error:

AttributeError: type object 'switch' has no attribute '__no_result'

That is much stronger just some convention that you might or might not know that you should not touch that. You can do whatever you want with switch._no_result from Python. That's the idea. :)

cc @hobojoe1848 @bbelderbos

from 100daysofweb-with-python-course.

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